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Finding the Fourth Proportional to 5,859.12, 8,775.24 and 3,800.88

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Solution

The fourth proportional to 5,859.12, 8,775.24 and 3,800.88 is: 5,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.12 : 8,775.24 = 3,800.88 : x
  2. Step 2: Convert to fraction form
    5,859.12/8,775.24 = 3,800.88/x
  3. Step 3: Cross multiply
    5,859.12x = 8,775.24 × 3,800.88
  4. Step 4: Simplify right side
    5,859.12x = 33,353,634.21
  5. Step 5: Solve for x
    x = 33,353,634.21/5,859.12
  6. Step 6: Final answer
    x = 5,692.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.